EP0815630B2 - Appareil electrique de protection differentielle a circuit test - Google Patents

Appareil electrique de protection differentielle a circuit test Download PDF

Info

Publication number
EP0815630B2
EP0815630B2 EP96905919A EP96905919A EP0815630B2 EP 0815630 B2 EP0815630 B2 EP 0815630B2 EP 96905919 A EP96905919 A EP 96905919A EP 96905919 A EP96905919 A EP 96905919A EP 0815630 B2 EP0815630 B2 EP 0815630B2
Authority
EP
European Patent Office
Prior art keywords
relay
electrical device
mentioned
blade
coil
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP96905919A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0815630B1 (fr
EP0815630A1 (fr
Inventor
Michel Bonniau
Marc Paupert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schneider Electric Industries SAS
Original Assignee
Schneider Electric Industries SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9477261&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0815630(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Schneider Electric Industries SAS filed Critical Schneider Electric Industries SAS
Publication of EP0815630A1 publication Critical patent/EP0815630A1/fr
Publication of EP0815630B1 publication Critical patent/EP0815630B1/fr
Application granted granted Critical
Publication of EP0815630B2 publication Critical patent/EP0815630B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/32—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
    • H02H3/33—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers
    • H02H3/334—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers with means to produce an artificial imbalance for other protection or monitoring reasons or remote control
    • H02H3/335—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers with means to produce an artificial imbalance for other protection or monitoring reasons or remote control the main function being self testing of the device

Definitions

  • the present invention relates to an electrical appliance differential protection, including a circuit breaker or a switch, comprising a trigger of the kind including a transformer for detecting a differential current, a trip relay mechanism such as the circuit breaker breaking mechanism, and a test circuit for checking the operation of the trip unit, said relay comprising a fixed cylinder head bearing a spool, and a pallet or the like movable by compared to the cylinder head, the relay and the transformer being electrically connected so that during operation normal of the device, the pallet is maintained in the adjoining position on the fixed cylinder head and only when differential current is detected by the transformer core, the pallet activates the cut-off mechanism supra.
  • a trigger of the kind including a transformer for detecting a differential current, a trip relay mechanism such as the circuit breaker breaking mechanism, and a test circuit for checking the operation of the trip unit
  • said relay comprising a fixed cylinder head bearing a spool, and a pallet or the like movable by compared to the cylinder head, the relay and the transformer being
  • Differential triggers are devices which are designed from relays with great sensitivity. Under certain climatic conditions, the element mobile, namely the pallet, can stick to the element fixes and prevents the protection from working differential. In addition, these devices, by their nature, remain permanently engaged to ensure continuity of service and are only very rarely manipulated. Therefore, they are often provided a test circuit that a verifier can operate locally or remotely, to ensure the right protection operation.
  • test circuit is arranged in circuit leakage derivative connected between two connection points active network conductors, respectively upstream and downstream of the transformer and comprising mainly a pair of test resistors, a push-type test button and a switch protection.
  • Manual closing of the test button simulates a differential current by inserting resistors in the test circuit, which current is detected by the transformer which generates the differential trip by the relay, causing the automatic opening of breaking device contacts.
  • the triggering of relay also causes the switch to open automatically protection for circuit disconnection test.
  • This type of device can also include a remote trip circuit whose closure can simulate a remote insulation fault.
  • the present invention solves these problems and proposes a differential protection device with test circuit simple design, making the auditor's job easier while improving the reliability of the differential protection.
  • the present invention relates to an apparatus electric differential protection of the kind previously mentioned, according to claim 1.
  • this first means consists mainly of a means to apply a voltage in the form of slots to relay coil terminals.
  • the amplitude and the width of the slots are adjusted by so as to obtain a vibration of the pallet without entraining its full opening.
  • the tension applied is a square voltage.
  • the second aforementioned means is a means for measuring the variation of self at coil terminals, during commissioning of the first way. a brutal variation of the self being characteristic the proper functioning of the relay.
  • this second means measures the variation current in the test circuit, during the setting in service of the first means, an abrupt variation in the current being characteristic of the proper functioning of the relay.
  • this second means is a means for detecting the presence of an overvoltage at coil terminals during commissioning of the first way. This overvoltage being characteristic of the ability of the pallet to come off the fixed cylinder head.
  • it has a third signaling device, local or remote, connected electrically to the aforementioned second detection means so as to signal a possible failure of the differential protection.
  • the aforementioned means are put into service periodically.
  • the frequency of commissioning aforementioned means goes from a few tens of milliseconds to several months.
  • an electrical protection device differential in particular a circuit breaker or a leakage current switch, which device (A) includes a differential release 1 associated with a mechanism 2 of a bipolar cut-off device 3 with interrupt contacts 4, 5.
  • Device A is fitted with a first pair of main terminals 6, 7 connection for example to the load and a second pair of main terminals 8, 9 for connection to the power network.
  • the first terminals 6, 7 are electrically connected to seconds 8, 9 by a internal link circuit with two active conductors 10, 11 in which the contacts 4, 5 of the device are inserted cutoff 3.
  • the differential release 1 includes a transformer summation 12 and a trip relay 16, said transformer 12 having a shaped core 13 toroid surrounding the active conductors 10, 11 for the detection of a zero sequence current.
  • each conductor 10, 11 goes directly through the transformer 12, or is wound on the core 13 according to at least one turns to form a primary winding.
  • the core 13 includes a secondary winding 14 for measuring the differential current, electrically connected via of an electronic protection circuit 15 at trip relay 16, electromagnetic type.
  • Relay 16 cooperates with the control mechanism above 2, to cause automatic opening contacts 4, 5 when the intensity of the leak detected by transformer 12, exceeds threshold differential trip device.
  • the differential release 1 may incidentally be equipped with a conventional manual test circuit 20 containing in series a test resistor 21 and a switch test 22 with test button 23, said circuit 20 being electrically connected to active conductors 10, 11 at two connection points a, b arranged with on either side of the nucleus 13.
  • the connection point a is located on the side of the first terminals 6, 7, while that the other point b is located on the side of the second bounds cited above 8, 9.
  • this trigger 1 may also be equipped with a remote control switch (not shown) belonging to a trip circuit to distance, connected in parallel to the manual test circuit 20.
  • the aforementioned trip relay 16 includes mainly a fixed U-shaped cylinder head 25 and a pallet 26 for actuating the circuit breaker mechanism 2.
  • One 27 of the branches 27, 28 of the fixed cylinder head 25 carries a coil 29, and the pallet 26 is held in position attached to the fixed cylinder head 25 against a return spring 31 by means of a permanent magnet 30 interposed between the branches 27, 28 of the U.
  • polarized relays 16 are well known and have the advantage of low tripping power.
  • the aforementioned electrical apparatus A has an electronic automatic test circuit 33 electrically connected at the input, to both active conductors 10, 11, and at output, at terminals 29a, 29b of coil 29 of relay 16.
  • This electronic circuit 33 comprises a first means 34 for applying to the coil 29 of relay 16 a voltage in the form of slots, the amplitude and the width of the slots being adjusted so as to cause only a vibration of pallet 26 without causing it to open complete, in order to avoid any triggering of the mechanism 2. Successive opening movements and closing the pallet 26 during this vibration, will cause an overvoltage across the coil 29.
  • the circuit 33 therefore comprises a second means 35 to detect the presence or absence of an overvoltage across said coil 29.
  • This second medium 35 will be electrically connected to a signaling means 36 intended, in the absence of this overvoltage, to warn of the malfunction of the relay 16 and from there. protection defect.
  • this electronic test circuit 33 will be advantageously designed so as to generate signals of appropriate shape and frequency ranging from a few tens of milliseconds to several months.
  • This electronic circuit 33 will preferably be itself supplied with mains voltage, while the circuit protection 15 may or may not depend on this voltage.
  • the test circuit 33 includes a first means 34 for generate a voltage in the form of slots (in this case a square voltage) across the coil 29 relay 16 and a second means 45 for measuring a variation of inductor at terminals 29a, 29b of coil 29.
  • This second means 45 comprises: a resistance 37 connected in series with the coil 29 of the relay, a circuit derivative 38 mounted as input parallel to the terminals of resistor 37, and consisting of a capacitor 38a and a resistor 38b connected in series.
  • the circuit derivative 38 is connected at the output to the input of a diode 39, which is connected at the output to an assembly made up a capacitor 40 and a capacity 41 mounted in parallel.
  • One of the terminals of the capacitor 40 and of the capacity 41 is connected to one 38c of outputs 38c and 38d of the branch circuit 38 and to ground M, while the other terminal of these elements, connected to diode 39, is connected to the positive pole of an operational amplifier 42 whose negative pole receives a reference voltage.
  • the output of this amplifier 42 is connected to a lamp 43.
  • the principle is to measure the variation of self driven by the opening of the pallet 26.
  • the coil 29 of relay 16 is attacked by a square voltage c ( Figure 2a) with a frequency of a few KHZ (for example 5KHZ).
  • the rise in current is governed by the inductor of relay 16 in closed position (up to threshold trigger).
  • the trigger threshold is reached, if the relay pallet is glued, the inductor does not vary almost not and the current (d, fig.2a) continues to rise continuously.
  • the self varies abruptly (drop) and current e (figure 2a) climbs on a steeper slope.
  • This variation abrupt current is detected by the electronic circuit 45 described above by sending a voltage corresponding on the positive pole of amplifier 42 and comparing this voltage with a voltage of reference V. When this sudden variation e of the current is detected, the lamp 43 lights up.
  • Another benefit for users of facilities electric is that the periodic commissioning of the moving element of the relay, avoids long periods of trigger inaction that can promote bonding effects and thereby reduce reliability of differential protection.
  • the invention may be applied by example to an inserted bipolar differential circuit breaker in a single-phase alternative network with a conductor phase and a neutral conductor.
  • the invention will apply to any switchgear incorporating a trigger or being associated with a trigger of the kind previously described.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Breakers (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Protection Of Transformers (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
EP96905919A 1995-03-16 1996-03-06 Appareil electrique de protection differentielle a circuit test Expired - Lifetime EP0815630B2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9503297A FR2731838B1 (fr) 1995-03-16 1995-03-16 Appareil electrique de protection differentielle a circuit test
FR9503297 1995-03-16
PCT/FR1996/000350 WO1996028872A1 (fr) 1995-03-16 1996-03-06 Appareil electrique de protection differentielle a circuit test

Publications (3)

Publication Number Publication Date
EP0815630A1 EP0815630A1 (fr) 1998-01-07
EP0815630B1 EP0815630B1 (fr) 1998-12-23
EP0815630B2 true EP0815630B2 (fr) 2002-03-20

Family

ID=9477261

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96905919A Expired - Lifetime EP0815630B2 (fr) 1995-03-16 1996-03-06 Appareil electrique de protection differentielle a circuit test

Country Status (12)

Country Link
US (1) US5978191A (pl)
EP (1) EP0815630B2 (pl)
CN (1) CN1057409C (pl)
CZ (1) CZ297867B6 (pl)
DE (1) DE69601218T3 (pl)
ES (1) ES2127010T5 (pl)
FR (1) FR2731838B1 (pl)
HU (1) HU223025B1 (pl)
PL (1) PL179899B1 (pl)
RU (1) RU2154332C2 (pl)
WO (1) WO1996028872A1 (pl)
ZA (1) ZA962110B (pl)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19748391A1 (de) * 1997-11-03 1999-05-06 Maier & Cie C Verfahren zur Erhöhung der Zuverlässigkeit eines Fehlerstrom-Schutzschalters und Fehlerstrom-Schutzschalter zur Durchführung dieses Verfahrens
US6262871B1 (en) 1998-05-28 2001-07-17 X-L Synergy, Llc Fail safe fault interrupter
US7400477B2 (en) 1998-08-24 2008-07-15 Leviton Manufacturing Co., Inc. Method of distribution of a circuit interrupting device with reset lockout and reverse wiring protection
DE19954037A1 (de) * 1999-10-29 2001-05-03 Siemens Ag Verfahren zum Überwachen der Funktionsfähigkeit eines Bauelementes eines elektrischen Gerätes während des Betriebes
EP1150412A1 (de) * 2000-04-25 2001-10-31 Siemens Aktiengesellschaft Fehlerstrom-Schutzschalter und Verfahren zum Überprüfen der Funktionsfähigkeit eines Fehlerstrom-Schutzschalters
US6807035B1 (en) 2000-11-28 2004-10-19 Hubbell Incorporated Fault interrupter using microcontroller for fault sensing and automatic self-testing
RU2191467C2 (ru) * 2001-01-16 2002-10-20 Райнин Валерий Ефимович Устройство управления автоматического выключателя, управляемого дифференциальным током
RU2214662C2 (ru) * 2001-08-09 2003-10-20 Пономаренко Андрей Иванович Способ управления устройством защитного отключения
FR2833747B1 (fr) * 2001-12-17 2005-04-15 Schneider Electric Ind Sa Declencheur differentiel comportant un circuit test
GB0226111D0 (en) * 2002-11-08 2002-12-18 Delta Electrical Ltd Residual current devices
JP4683950B2 (ja) * 2004-05-11 2011-05-18 株式会社リコー スイッチ装置及び電気機器
US7733617B2 (en) * 2005-08-08 2010-06-08 Hubbell Incorporated Self testing digital fault interrupter
US7372678B2 (en) * 2005-08-24 2008-05-13 Leviton Manufacturing Co., Inc. Circuit interrupting device with automatic test
US7852606B2 (en) * 2005-08-24 2010-12-14 Leviton Manufacturing Company, Inc. Self-testing circuit interrupting device
US7911746B2 (en) * 2006-06-01 2011-03-22 Leviton Manufacturing Co., Inc. GFCI with self-test and remote annunciation capabilities
US8384392B2 (en) 2006-11-02 2013-02-26 Texas Instruments Incorporated Methods and apparatus for continuous ground fault self test
WO2009097469A1 (en) 2008-01-29 2009-08-06 Leviton Manufacturing Co., Inc. Self testing fault circuit interrupter apparatus and method
US8183869B2 (en) * 2008-09-23 2012-05-22 Leviton Manufacturing Co., Inc. Circuit interrupter with continuous self-testing feature
DE102008060045B4 (de) * 2008-12-02 2014-07-31 Seuffer Gmbh & Co.Kg Schaltvorrichtung
US7986501B2 (en) * 2009-03-05 2011-07-26 Leviton Manufacturing Co., Inc. Detecting and sensing actuation in a circuit interrupting device
CN101923347A (zh) * 2009-06-16 2010-12-22 樱花卫厨（中国）股份有限公司 电控系统程序智能检测设备及其控制方法
BRPI0924634B1 (pt) * 2009-06-30 2019-10-22 Toshiba Carrier Corp instrumento de detecção de erro de conexão de uma estrutura
JP2011109877A (ja) * 2009-11-20 2011-06-02 Panasonic Electric Works Co Ltd 給電制御装置
AT509839A3 (de) * 2010-04-14 2018-12-15 Eaton Gmbh Fehlerstromschutzschalter
FR2973155B1 (fr) 2011-03-22 2017-02-10 Schneider Electric Ind Sas Procede et dispositif de diagnostic d'un actionneur, et actionneur comportant un tel dispositif
US9376024B2 (en) * 2013-02-06 2016-06-28 GM Global Technology Operations LLC Scalable high voltage charging and detection system for plug-in electric vehicles
US9759758B2 (en) 2014-04-25 2017-09-12 Leviton Manufacturing Co., Inc. Ground fault detector
CN108351383B (zh) 2015-11-10 2021-10-01 奥幂电子有限公司 用于检查保护继电器的方法及测试装置、测试系统
RU2628306C1 (ru) * 2016-05-10 2017-08-15 Федеральное государственное бюджетное учреждение науки Институт проблем управления им. В.А. Трапезникова Российской академии наук Устройство для измерения дифференциального тока
DE102017205004B4 (de) * 2017-03-24 2022-12-08 Siemens Aktiengesellschaft Leistungsschalter
RU176289U1 (ru) * 2017-07-27 2018-01-16 Закрытое акционерное общество "Чебоксарский электроаппаратный завод" Электрический полюс автоматического выключателя
CN108493020A (zh) * 2018-04-11 2018-09-04 固力发电气有限公司 一种可防止带负荷操作的低压隔离开关
US10755825B2 (en) * 2018-10-31 2020-08-25 Ge-Hitachi Nuclear Energy Americas Llc Passive electrical component for safety system shutdown using Faraday's law
US10971275B2 (en) * 2018-10-31 2021-04-06 Ge-Hitachi Nuclear Energy Americas Llc Passive electrical component for safety system shutdown using Ampere's Law

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3787708A (en) * 1973-01-02 1974-01-22 Gen Electric Monitor system for ground fault relay
US3924178A (en) * 1974-07-03 1975-12-02 Deutsch Relays Inc Relay tester
US4063299A (en) * 1975-10-24 1977-12-13 Eagle Electric Mfg. Co. Inc. Magnetically latched ground fault circuit interrupter
US4320433A (en) * 1980-03-21 1982-03-16 Fuji Electric Co., Ltd. Earth-leakage-current circuit breaker system
JPS56138835A (en) * 1980-03-31 1981-10-29 Tokyo Shibaura Electric Co Method of externally diagnosing malfunction of switch
DE3537140A1 (de) * 1985-10-18 1987-04-23 Turck Werner Kg Selbstueberwachender fehlerstromschutzschalter
FR2604295B1 (fr) * 1986-09-23 1988-12-02 Merlin Gerin Appareil electrique de protection differentielle a circuit test
DE3823581A1 (de) * 1988-07-12 1990-01-18 Asea Brown Boveri Vorrichtung zur begrenzung des eingangsstromes eines speisegeraetes
DE3824027A1 (de) * 1988-07-15 1990-01-18 Asea Brown Boveri Elektrisches schaltgeraet
FR2638909B1 (fr) * 1988-11-04 1995-03-31 Merlin Gerin Declencheur differentiel a circuit test et a telecommande d'ouverture autoprotegee
DE3902416A1 (de) * 1989-01-27 1990-08-02 Asea Brown Boveri Ueberstromsensitiver selbstschalter
DE4106652A1 (de) * 1991-03-02 1992-09-10 Abb Patent Gmbh Fehlerstromschutzschalter
DE4127291C2 (de) * 1991-08-17 1996-07-11 Abb Patent Gmbh Lichtbogenkammer für ein elektrisches Schaltgerät
US5369344A (en) * 1992-02-28 1994-11-29 Mezzatesta, Jr.; Frank Tachometer for determining the speed of a motor
DE4232702A1 (de) * 1992-09-30 1994-03-31 Abb Patent Gmbh Fehlerstrom- oder Differenzstromschutzschalter
DE4243314C2 (de) * 1992-12-21 1998-08-20 Asea Brown Boveri Strombegrenzender Schalter
DE4306231C2 (de) * 1993-02-27 1996-02-29 Abb Patent Gmbh Kontaktanordnung für einen Fehlerstromschutzschalter
DE4307811A1 (de) * 1993-03-12 1994-09-15 Abb Patent Gmbh Elektrisches Schaltgerät
EP0640995B1 (de) * 1993-08-25 1997-06-25 Abb Research Ltd. Elektrisches Widerstandselement und Verwendung dieses Widerstandselementes in einem Strombegrenzer
US5541800A (en) * 1995-03-22 1996-07-30 Hubbell Incorporated Reverse wiring indicator for GFCI receptacles

Also Published As

Publication number Publication date
EP0815630B1 (fr) 1998-12-23
HUP9801215A2 (hu) 1998-08-28
ES2127010T3 (es) 1999-04-01
HUP9801215A3 (en) 2002-06-28
HU223025B1 (hu) 2004-03-01
CN1057409C (zh) 2000-10-11
DE69601218T3 (de) 2002-10-17
WO1996028872A1 (fr) 1996-09-19
RU2154332C2 (ru) 2000-08-10
CZ289497A3 (en) 1997-12-17
EP0815630A1 (fr) 1998-01-07
ZA962110B (en) 1997-01-08
DE69601218D1 (de) 1999-02-04
DE69601218T2 (de) 1999-07-01
CN1181847A (zh) 1998-05-13
ES2127010T5 (es) 2002-11-01
FR2731838B1 (fr) 1997-06-06
FR2731838A1 (fr) 1996-09-20
CZ297867B6 (cs) 2007-04-18
US5978191A (en) 1999-11-02
PL322285A1 (en) 1998-01-19
PL179899B1 (pl) 2000-11-30

Similar Documents

Publication Publication Date Title
EP0815630B1 (fr) Appareil electrique de protection differentielle a circuit test
EP0367690B1 (fr) Déclencheur différentiel à circuit test et à télécommande d'ouverture autoprotégée
EP0264313B1 (fr) Appareil électrique de protection différentielle à circuit test
EP0264314B1 (fr) Disjoncteur différentiel multipolaire à assemblage modulaire
FR2807580A1 (fr) Circuit de detection de defaillance electrique avec alimentation de mode double
FR2621748A1 (fr) Declencheur statique d'un disjoncteur a boitier moule
EP3577672B1 (fr) Dispositif de coupure de courant continu haute tension
FR2527409A1 (fr) Dispositif pour la detection a distance d'une lampe grillee dans une installation d'eclairage avec une pluralite de lampes en parallele
FR2644639A1 (fr) Sectionneur bipolaire de reseau d'alimentation electrique
EP0665623B1 (fr) Dispositif de test pour interrupteur différentiel et interrupteur différentiel comportant ce dispositif
FR2520165A1 (fr) Interrupteur differentiel a usage domestique
EP0524300A1 (fr) Dispositif de protection pour appareils, machines et installations electriques
EP0180506B1 (fr) Dispositif de sécurité pour appareil de protection différentielle
FR2696054A1 (fr) Interrupteur différentiel à courant de défaut.
EP3977577B1 (fr) Appareil de protection de ligne (l) electrique pour détecter un défaut de fuite, de court-circuit, de surintensité et d'arc
EP0614259B1 (fr) Interrupteur différentiel de protection contre les courants de défaut et les surtensions
EP0834975B1 (fr) Dispositif de distribution électrique terminale à bloc limiteur hybride
FR2470466A1 (fr) Dispositif de protection contre les surtensions
EP1320164A1 (fr) Declencheur differentiel comportant un circuit test
EP3511970B1 (fr) Interrupteur électronique avec un détecteur pour fournir de l'information sur le déclenchement de l'interrupteur à un bus
EP0813283B1 (fr) Dispositif de protection différentielle immunisé contre les déclenchements intempestifs
FR2642178A1 (fr) Controleur d'isolement pour moteur electrique
EP4503083A1 (fr) Dispositif de protection électrique configuré pour déterminer automatiquement une cause d'une ouverture d'un circuit électrique et procédé associé
EP0069182A1 (fr) Dispositif de sécurité pour appareils électriques et notamment pour postes récepteurs de télévision
BE1010688A7 (fr) Interrupteur differentiel.

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19970912

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): BE DE ES GB IT

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

17Q First examination report despatched

Effective date: 19980226

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): BE DE ES GB IT

REF Corresponds to:

Ref document number: 69601218

Country of ref document: DE

Date of ref document: 19990204

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 19990122

ITF It: translation for a ep patent filed
REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2127010

Country of ref document: ES

Kind code of ref document: T3

PLBI Opposition filed

Free format text: ORIGINAL CODE: 0009260

26 Opposition filed

Opponent name: ABB PATENT GMBH

Effective date: 19990826

PLBF Reply of patent proprietor to notice(s) of opposition

Free format text: ORIGINAL CODE: EPIDOS OBSO

PLBF Reply of patent proprietor to notice(s) of opposition

Free format text: ORIGINAL CODE: EPIDOS OBSO

PLBF Reply of patent proprietor to notice(s) of opposition

Free format text: ORIGINAL CODE: EPIDOS OBSO

RAP2 Party data changed (patent owner data changed or rights of a patent transferred)

Owner name: SCHNEIDER ELECTRIC INDUSTRIES SA

RAP2 Party data changed (patent owner data changed or rights of a patent transferred)

Owner name: SCHNEIDER ELECTRIC INDUSTRIES SA

PLAW Interlocutory decision in opposition

Free format text: ORIGINAL CODE: EPIDOS IDOP

PLAW Interlocutory decision in opposition

Free format text: ORIGINAL CODE: EPIDOS IDOP

REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

PUAH Patent maintained in amended form

Free format text: ORIGINAL CODE: 0009272

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: PATENT MAINTAINED AS AMENDED

27A Patent maintained in amended form

Effective date: 20020320

AK Designated contracting states

Kind code of ref document: B2

Designated state(s): BE DE ES GB IT

GBTA Gb: translation of amended ep patent filed (gb section 77(6)(b)/1977)

Effective date: 20020626

REG Reference to a national code

Ref country code: ES

Ref legal event code: DC2A

Kind code of ref document: T5

Effective date: 20020612

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20030303

Year of fee payment: 8

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20030305

Year of fee payment: 8

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 20030516

Year of fee payment: 8

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20040306

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20040331

BERE Be: lapsed

Owner name: S.A. *SCHNEIDER ELECTRIC

Effective date: 20040331

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20041001

GBPC Gb: european patent ceased through non-payment of renewal fee
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20140211

Year of fee payment: 19

Ref country code: IT

Payment date: 20140317

Year of fee payment: 19

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20150306

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20160428

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20150307